Rename the extension to "TW Power Tools"

Based on the suggestion made at google-clubhouse/c/99SLtosFKMs.

Change-Id: I02ed6daa8ad9e368da670cfd12b4f1b2cf1dccbf
diff --git a/release.bash b/release.bash
index 1a8801c..7c1aebe 100644
--- a/release.bash
+++ b/release.bash
@@ -63,8 +63,8 @@
 
 # Create ZIP file for upload to the Chrome Web Store
 mkdir -p out
-rm -rf out/infinitegforums-$version-$channel.zip
-zip -rq out/infinitegforums-$version-$channel.zip src -x *.git*
+rm -rf out/twpowertools-$version-$channel.zip
+zip -rq out/twpowertools-$version-$channel.zip src -x *.git*
 
 # Revert manifest.json changes
 set_manifest_field "version" "0"